10. Schwetschkeopsis Broth. 拟附干藓属 ni fu-gan xian shu
Nat. Pflanzenfam. I(3): 877. 1907.
Plants slender, rigid, green or yellowish green, slightly glossy. Stems creeping, ascending at apex, pinnately branched or irregularly pinnately branched; branches short, simple or branched again, erect or erecto-patent, densely foliate, julaceous; paraphyllia sparse, lanceolate or linear. Branch leaves imbricate, erect or erecto-patent when moist, ovate-lanceolate, concave, acuminate at apex; leaf margins plane, serrulate; costa absent; leaf cells narrowly hexagonal or oblong-elliptic, weakly papillosely projecting in the front ends of cells; basal cells shorter and lax; alar cells flat quadrate, in several rows. Dioicous or monoicous. Inner perichaetial leaves sheathing at base, tapering to an acuminate or ciliate apex. Setae slender, incurved, twisted when dry, orange in color; capsules erect, rounded ovoid, symmetrical or slightly asymmetrical, apophysis short; opercula conic, with a short or long beak; peristome double; exostome teeth lanceolate, yellowish, with zig-zag median line, densely striate below, trabeculate or lamellate inside; endostome segments nearly as long as the teeth, hyaline, narrowly lanceolate, keeled, perforate, densely finely papillose; basal membrane ca. 1/3 length of exostome teeth, smooth; cilia present, but rudimentary. Calyptrae cucullate. Spores spherical.